@misc{indiciae006f600aa451,
  title = {Geology and petrology of the Pribilof Islands, Alaska},
  author = {Tom F.W. Barth},
  year = {1956},
  doi = {10.3133/b1028f},
  url = {https://pubs.usgs.gov/publication/b1028F},
  note = {Source identifier: b1028F}
}